import { EncryptedStore } from './encryptedStore';
export declare class CorruptedKeyError extends Error {
}
export type GeneratedKey = {
    key: Uint8Array;
    deleteKey: () => Promise<void>;
    freshlyGenerated: boolean;
};
/**
 * Will generate (or retrieve) a secret key from the database.
 */
export declare function generateSecretKey({ keyId, keySize, secretsDb, }: {
    /** the ID of the key to generate (if the ID already exists, then the generated key will be returned) */
    keyId: string;
    /** size of the key to generate */
    keySize?: number;
    /** name of the database that will hold the secrets */
    secretsDb: EncryptedStore<any>;
}): Promise<GeneratedKey>;
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